On Tue, Aug 25, 2009 at 5:02 PM, B. Bogart <ben@ekran.org> wrote:
One thing that is clear is that the CPU overhead is too high, but the
disk usage very very low. I'd rather balance things out to use more disk
IO to save decoding cycles.

That is the key to all codecs.  Uncompressed doesn't require CPU to decode but the disk requirements can be very high.  Delivery codecs like MPEG and H.264 are the reverse situation.

Use a JPEG based or professional capture codec like DVC whenever possible.